I was talking about the heilx cut in the spindle (part # 2). I think you're talking about the "Not Serviced Separately" part # 8 in the parts manual. I thought I remembered which way it attached to the spindle but now you have me worried.

You are correct. When reinstalling the spiral it needs to be turned so that it scoops the oil from the outer part of the fan hub and spirals it toward the center. The one in my parts manual is correct, but the service manual I have is reversed. My service manual is marked GSS-1411, Revision 1, February, 1976.

The one in this picture is backwards. When looking at the engine from the front the fan turns clockwise. Centrifical force pushes the oil out to the outer edge of the fan hub housing, and the spiral scopps it up and pulls it in towards the hub. The one in this picture will throw the oil away from the spindle.